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. 2018 Mar 20;3(1):e000174. doi: 10.1136/tsaco-2018-000174

Table 2.

Summary of patient factors and outcomes based on treatment groups

Number of patients Overall (n=10 938) Rigid collar (n=8091) Halo (n=1543) Surgical fixation (n=1304)
Females (%) 53.5 55.0 50.9* 48.3*
Age Distribution (years)
 65–74 (%) 26.8 24.5 32.9* 32.3*
 75–84 (%) 40.6 39.1 43.0* 45.8*
 85–94 (%) 29.6 32.6 22.5* 21.3*
 ≥95 (%) 3.1 3.8 1.6* 0.6*
 Polytrauma (%) 65.1 67.5 60.8* 55.5*,
 Ground level fall (%) 39.25 40.01 38.04 35.97
 Fall from height (%) 16.9 16.92 17.24 16.41
 All other mechanisms (%) 43.85 43.07 44.72 47.62*
 Tracheostomy (%) 5.4 3.09 6.03* 7.13*
 Gastrostomy (%) 4.9 2.76 5.31* 6.52*
 Dementia (%) 2.54 2.62 2.72 1.84
 Complication during initial admission % 18.9 18.3 18.0 24.1*,
Mortality
 Overall (%) 50.3 51.4 52.0 41.5*,
 Initial admission (%) 9.9 10.8 7.3* 6.2*
 Initial admission+complication (%) 22.4 24.1 18.1 18.2
 30 day (%) 14.4 16.2 11.2* 7.3*,
 30-day+complication (%) 27.2 30.5 21.3* 16.9*
 1 year (%) 28.3 30.2 26.2* 19.0*,
 1 year+complication (%) 46.0 47.3 45.9 39.5

*Indicates p<0.05 when compared with rigid collar.

†Indicates p<0.05 when compared with halo.

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